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Canister filter media designed to fit the FilStar XP. For ultra-fine filtration and polishing. Removes extremely fine waste, sediment and particles from water. Helps clear cloudy water making it crystal clear.

I used one of these in a XP2 on my 90 gallon tank (The XP2 is only a secondary filter). Within 3 hours the water was perfectly clear. You have to check the pad at least weekly, replace it about every 1 to 3 weeks.